Gen1 07



Hermans

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Hi I'm wondering if someone can give me advice on a gen 1 Hayabusa 07 if I ref bike up to 4000 rpms the ref needle jumps up and down up to 5000 rpms I can't keep the refs steady. Then if I drive my bike it's got a stutter if I drive a steady speed and if I give you a petrol it goes.
 

WuzzaCBXRider

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Hi I'm wondering if someone can give me advice on a gen 1 Hayabusa 07 if I ref bike up to 4000 rpms the ref needle jumps up and down up to 5000 rpms I can't keep the refs steady. Then if I drive my bike it's got a stutter if I drive a steady speed and if I give you a petrol it goes.
South Africa? These kinds of symptoms can always be electrical but it sounds like surging to me. My guess would be dirty or partially clogged injectors, maybe fouled plugs too, probably due to bad fuel. The fuel pump can also get clogged for the same reasons. Gotta clean things up. Good luck!
 

Mr Brown

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